Feedback is inspired by new research suggesting that the decision-making of referees at baseball games was influenced by criticism from spectators Berate the refs. That evidence appears in the study “Verbal aggressions against Major League Baseball umpires affect their decision making” by Jol Guérette, Caroline Blais and Daniel Fiset. They found what they call “a two-sided benefit of resorting to verbal abuse” after being severely criticised.